V-Lab
Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
13.69%
increased by 0.39%
1 Week
14.17%
increased by 0.87%
1 Month
15.60%
increased by 2.30%
Analysis last updated: Friday, October 2, 2026 at 05:47 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 251% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 251% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0569 | 4.81*** |
| αARCH | 0.0505 | 4.62*** |
| βGARCH | 0.8474 | 60.09*** |
| γleverage | 0.1267 | 4.48*** |
0.961
Persistence18d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0569 | 4.81*** |
α ARCH Response to squared shocks | 0.0505 | 4.62*** |
β GARCH Volatility persistence | 0.8474 | 60.09*** |
γ leverage Additional response to negative shocks | 0.1267 | 4.48*** |
Persistence:
0.961
Half-life:
18 days
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